could lionise
Regular verb: lionise - lionised- lionised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could lionise
you could lionise
he could lionise
we could lionise
you could lionise
they could lionise 	I could be lionising
you could be lionising
he could be lionising
we could be lionising
you could be lionising
they could be lionising	I could have lionised
you could have lionised
he could have lionised
we could have lionised
you could have lionised
they could have lionised	I could have been lionising
you could have been lionising
he could have been lionising
we could have been lionising
you could have been lionising
they could have been lionising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't lionise
you couldn't lionise
he couldn't lionise
we couldn't lionise
you couldn't lionise
they couldn't lionise 	I couldn't be lionising
you couldn't be lionising
he couldn't be lionising
we couldn't be lionising
you couldn't be lionising
they couldn't be lionising	I couldn't have lionised
you couldn't have lionised
he couldn't have lionised
we couldn't have lionised
you couldn't have lionised
they couldn't have lionised	I couldn't have been lionising
you couldn't have been lionising
he couldn't have been lionising
we couldn't have been lionising
you couldn't have been lionising
they couldn't have been lionising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I lionise?
could you lionise?
could he lionise?
could we lionise?
could you lionise?
could they lionise? 	could I be lionising?
could you be lionising?
could he be lionising?
could we be lionising?
could you be lionising?
could they be lionising? 	could I have lionised?
could you have lionised?
could he have lionised?
could we have lionised?
could you have lionised?
could they have lionised? 	could I have been lionising?
could you have been lionising?
could he have been lionising?
could we have been lionising?
could you have been lionising?
could they have been lionising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I lionise?
couldn't you lionise?
couldn't he lionise?
couldn't we lionise?
couldn't you lionise?
couldn't they lionise? 	couldn't I be lionising?
couldn't you be lionising?
couldn't he be lionising?
couldn't we be lionising?
couldn't you be lionising?
couldn't they be lionising? 	couldn't I have lionised?
couldn't you have lionised?
couldn't he have lionised?
couldn't we have lionised?
couldn't you have lionised?
couldn't they have lionised? 	couldn't I have been lionising?
couldn't you have been lionising?
couldn't he have been lionising?
couldn't we have been lionising?
couldn't you have been lionising?
couldn't they have been lionising?